Lunch box



FIG. 1 is a top back perspective view of a lunch box showing my newdesign;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a side view thereof, the other side view being a mirror imagethereof;

FIG. 5 is a front view thereof;

FIG. 6 is a back view thereof;

FIG. 7 is an exploded top perspective view of FIG. 1 shown open thereof;and,

FIG. 8 is a cross-sectional view of a lunch box taken along line 8-8 ofFIG. 2.

CLAIM The ornamental design for a lunch box, as shown and described.